唯一限制条件只返回单条数据

This commit is contained in:
RuoYi
2020-08-05 14:28:45 +08:00
parent 3b61ed56b0
commit 51fa66f61a
8 changed files with 12 additions and 12 deletions

View File

@ -64,7 +64,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
<select id="hasChildByDeptId" parameterType="Long" resultType="int">
select count(1) from sys_dept
where del_flag = '0' and parent_id = #{deptId}
where del_flag = '0' and parent_id = #{deptId} limit 1
</select>
<select id="selectChildrenDeptById" parameterType="Long" resultMap="SysDeptResult">